liquid_democracy demo

liquid_democracy.py

from collections import Counter

users = [1, 2, 3, 4, 5, 6, 7, 8]

delegs = {
    4: 1,
    5: 2,
    6: 3,
    7: 5,
    8: 5,
}

votes = {
    1: 'A',
    7: 'B',
    5: 'C',
    6: 'C',
}


def compute_vote(user):
    if user in votes:
        return votes[user]
    if user in delegs:
        return compute_vote(delegs[user])
    return 'abst'


result = Counter([compute_vote(user) for user in users])

for choice, n, in result.most_common():
    print(choice, n)